DE60141941D1 - Gray gold alloy - Google Patents
Gray gold alloyInfo
- Publication number
- DE60141941D1 DE60141941D1 DE60141941T DE60141941T DE60141941D1 DE 60141941 D1 DE60141941 D1 DE 60141941D1 DE 60141941 T DE60141941 T DE 60141941T DE 60141941 T DE60141941 T DE 60141941T DE 60141941 D1 DE60141941 D1 DE 60141941D1
- Authority
- DE
- Germany
- Prior art keywords
- gold alloy
- gray gold
- less
- gray
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/002—Metallic materials
- A44C27/003—Metallic alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/02—Alloys based on gold
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Adornments (AREA)
- Laminated Bodies (AREA)
- Physical Vapour Deposition (AREA)
- Conductive Materials (AREA)
- Contacts (AREA)
Abstract
A grey gold alloy without nickel, cobalt, iron and silver comprises, by weight: (a) Au : 75 to 76 %; (b) Cu ≥ 17 %; (c) Mn less than 7 %; (d) Zn ≤ 2 %. This gold alloy may also contain, by weight: (a) Si ≤ 0.5 %; (b) at least one of the elements Ti less than 0.3 % or Ta less than 0.3 %; (c) 0 % Pd and at most 2 % Pt.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01810074A EP1227166B1 (en) | 2001-01-26 | 2001-01-26 | Grey gold alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60141941D1 true DE60141941D1 (en) | 2010-06-10 |
Family
ID=8183695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60141941T Expired - Lifetime DE60141941D1 (en) | 2001-01-26 | 2001-01-26 | Gray gold alloy |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1227166B1 (en) |
| AT (1) | ATE466115T1 (en) |
| DE (1) | DE60141941D1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2815044B1 (en) * | 2000-10-06 | 2003-03-21 | Cookson Metaux Precieux Sa | 18K GRAY GOLD ALLOY FOR JEWELERY, NICKEL FREE AND PALLADIUM FREE |
| EP1447456A1 (en) * | 2003-02-11 | 2004-08-18 | Metalor Technologies International SA | Gold doped alloy |
| DE60310555T2 (en) * | 2003-09-04 | 2007-12-27 | Rolex Sa | Decolorative clock or jewelry |
| JPWO2008108181A1 (en) * | 2007-03-02 | 2010-06-10 | シチズン東北株式会社 | Gold alloy film, gold alloy film-coated laminate, and gold alloy film-coated member |
| EP2251444A1 (en) | 2009-05-06 | 2010-11-17 | Rolex Sa | Grey gold alloy with no nickel and no copper |
| EP3428295A1 (en) | 2012-12-03 | 2019-01-16 | Argor-Heraeus S.A. | Discoloration-resistant gold alloy |
| CN104032273A (en) * | 2014-06-09 | 2014-09-10 | 励福实业（江门）贵金属有限公司 | Fastness rose gold target and preparation method thereof |
| EP3070182B1 (en) | 2015-03-17 | 2017-08-30 | The Swatch Group Research and Development Ltd. | White-gold alloy |
| EP3339455B1 (en) * | 2016-12-20 | 2020-02-05 | Montres Breguet S.A. | Grey-gold alloy |
| CH715203B1 (en) | 2018-07-26 | 2022-03-15 | Px Services Sa | Gold-based alloy exhibiting a color change and its use in the field of jewelery and watchmaking. |
| IT202200009575A1 (en) * | 2022-05-10 | 2023-11-10 | Metaltech S R L | Master alloy for the production of precious metal alloys and white gold alloys |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2764906B1 (en) * | 1997-06-18 | 1999-09-10 | Engelhard Clal Sas | 18 AND 14 CARAT GRAY GOLD ALLOYS FOR JEWELERY, NICKEL FREE AND PALLADIUM FREE |
| JPH11323461A (en) * | 1998-05-08 | 1999-11-26 | Tokuriki Honten Co Ltd | White gold |
| RU2135618C1 (en) * | 1998-08-10 | 1999-08-27 | Открытое акционерное общество "Екатеринбургский завод по обработке цветных металлов" | White-gold alloy |
| EP1010768B1 (en) * | 1998-12-14 | 2003-03-26 | Metalor Technologies International S.A. | Grey-colored gold alloy, without nickel |
-
2001
- 2001-01-26 DE DE60141941T patent/DE60141941D1/en not_active Expired - Lifetime
- 2001-01-26 AT AT01810074T patent/ATE466115T1/en not_active IP Right Cessation
- 2001-01-26 EP EP01810074A patent/EP1227166B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1227166B1 (en) | 2010-04-28 |
| ATE466115T1 (en) | 2010-05-15 |
| EP1227166A1 (en) | 2002-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: LANGE UHREN GMBH, 01768 GLASHUETTE, DE |